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Home湖北11选5Electrical Measurement湖北11选5Three-phase AC&DC Calibrators

TD4200 Calibration Device for Three-Phase Apparatuses

宽量限、高精度、多功能的电测量综合台体装置


三相电量输出与测量:电压最大达 825 V,电流最大达 120 A,电流输出最小低至 0.1 mA

检定台设有二套互相独立的输出与测量端钮,通过软件切换实现“源检表”或“表检源”

谐波输出功能:三相输出可加载 2 ~ 21 次幅度与相位均可调的谐波

谐波测量功能:三相输入可测量 2 ~ 64 次谐波

Overview

Model TD4200, an integrated calibration device with wide range, high accuracy and multi-function. Composed of high-precision three-phase source, reference three-phase multimeter, high-precision DC source, workbench and proprietary calibration software. The optional accuracy classes of three-phase power are 0.01 and 0.02.

Applied to calibrate three-phase apparatuses, multimeters, transmitters and other electrical measurement devices。

This calibration device complies with the following standards:

● JJG 124-2005 Verification Regulation of Amperemeters, Voltmeters, Wattmeters and Ohmmeters

● JJF 1284-2011 Calibration Specification of Calibrators for Electrical Meters

● DL/T 1112-2009 Verification code of verification equipment for AC&DC meter

Applications

1

Features

● Three-Phase Electrical Parameters Output: The voltage is up to 825 V, the current is up to 55 A, and the current is as low as 0.1 mA.

● Switching between Sources and Meters: There are two independent output and measuring terminals, and the switching between sources and meters is done by the proprietary calibration software.

● Harmonic Output: The output can load 2nd to 21st standard harmonics with adjustable amplitude and phase to test harmonic influence on the checked meters.

● Harmonic Measurement: Measure the harmonic from 2nd to 64th, analyze each order harmonic content and the total harmonic distortion of the checked sources.

● Good load capacity of the three-phase source output, can calibrate the analogue meters.

● All the sources, meters, terminals and interfaces are modular, easy to disassemble and calibrate.

● There is a LCD control panel on the workbench, and all electrical parameters display on the panel, easy to observe and operate.

● DC Electrical Parameters Output: The voltage is up to 1100 V, the current is up to 110 A, and the current is as low as 1 μA.

● The proprietary calibration software supports the communication with most checked meters or checked sources for full-automatic calibration.

● Full-automatic calibration includes the following contents: Basic error, output stability of the source, repeatability of measurement, calculation of uncertainty, etc.

● Support the automatic rounding to test data, and automatically determine the eligibility.

● Support the custom report printing, historical data and report retrieval, annual error analysis or other data management.

Electrical Specifications

Three-Phase Voltage Output

2

Output Characteristics

● Output Range of Voltage: 0.1 V to 825 V

● Resolution: 0.001 % of range

● Display: 7 digits

● Distortion: <0.2 %

 Protection: Short-circuit protection and overload protection.

Three-Phase Current Output

3

Output Characteristics

● Output Range of Current: 1 mA (or 0.1 mA) to 120 A

● Resolution: 0.001 % of range

● Display: 7 digits

● Distortion: <0.2 %

● Protection: Open-circuit protection, overload protection.

AC Power Output

4

Output Characteristics

● Output Range of AC Power: Combination of AC voltage range and AC current range.

● Range of Power Factor: -1.0000…0.0000…+1.0000

Frequency, Phase, Harmonic and Symmetry Output

5

AC Voltage Measurement

6

Measurement Characteristics

● Range Switching: Automatic or Manual

● Measuring Range: 6 V to 792 V

 Minimum resolution: 10 μV @ 60 V range

 Display: 7 digits

AC Current Measurement

7

Measurement Characteristics

● Range Switching: Automatic or Manual

● Measuring Range: 1 mA (or 2 mA) to 120 A

● Minimum resolution: 10 nA @ 10 mA (or 20 mA) range

● Display: 7 digits

Frequency and Phase Measurement

8

AC Power and Electric Energy Measurement

9

Measurement Characteristics

● Power / Electric Energy Measuring Range: 

Combination of DC voltage range and DC current range

● Power Factor Measuring Range: -1.000 000…0.000 000…1.000 000

● Input of Standard Electric Energy Pulse: 
Frequency ≤10 kHz, input level from 0 to 3.3 V…24 V

● Output of Standard Electric Energy Pulse: 
High frequency FS @ 60 kHz, low frequency FS @ 6 Hz

DC Voltage Output (Option)

10

Output Characteristics

● Output Range of Voltage: 1 mV to 1100 V

● Resolution: 0.001 % of range

● Display: 7 digits

● Ripple Coefficient: <0.5 %

● Protection: Short-circuit protection and overload protection.

DC Current Output (Option)

11

Output Characteristics

● Output Range of Voltage: 1μA to 33 A (or 110 A)

● Resolution: 0.001 % of range

 Display: 6 digits

● Ripple Coefficient: <0.5 %

● Protection: Open-circuit protection and overload protection.

DC Power Output (Option)

● Output Range of DC Power: Combination of DC voltage range and DC current range.

● Accuracy of DC Power: Addition of DC voltage accuracy and DC current accuracy.

DC Small Signal Measurement (Option)

12

General Specifications

● Line Power: 220 V ±22 V, 50 Hz ±2 Hz

● Operating Environment: 0 °C to +40 °C, 20 % to 80 % R·H, non-condensing

● Storage Environment: -20 °C to +70 °C, <95 % R·H, non-condensing

● Dimensions (W × H × D): 2750 mm × 1050 mm × 900 mm (Workbench)

● Weight: 200 kg (Workbench)

● Communication: RS-232 interface

Selection Guide

13




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